Seudónimo Seudónimo
  • 08-12-2015
  • Mathematics
contestada

50 is 40% of what number? And we need to do the proportions/ example 50/100 etc. and please explain.. :)

Respuesta :

Ariana126
Ariana126 Ariana126
  • 08-12-2015
50/X = 40/100

50 × 100 = 40 × X

5000 = 40X

5000/40 = 40X/40

125 = X

Answer Link
Lisawang
Lisawang Lisawang
  • 08-12-2015
X= 125

the equation is 
is/of       %/100

50 = is 
40 = % 
X = of
100 = 100
  
50 X 100 = 5,000
40 X x = 40x 

40x / 40 = x
5,000 / 40 = 125 

SO... x = 125


Answer Link

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